using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using ST.Library.UI.STTextBox;

namespace STTextBoxTest.Demos

{

public partial class FrmInvisableChar : Form

{

public FrmInvisableChar() {

InitializeComponent();

}

protected override void OnLoad(EventArgs e) {

base.OnLoad(e);

STTextBoxGDIPRender render = new STTextBoxGDIPRender();

render.ShowInVisableChar = true;

render.InVisableCharColor = Color.Red;

STTextBox tbx = new STTextBox();

tbx.SetTextBoxRender(render);

tbx.Dock = DockStyle.Fill;

tbx.Font = new System.Drawing.Font("Consolas", 10);

tbx.SetTextStyleMonitors( // use the monitor

new CSharpStyleMonitor(),

new SelectionStyleMonitor()

);

this.Controls.Add(tbx);

string strCode = @"

//tab: ,space: ,newline:

STTextBoxGDIPRender render = new STTextBoxGDIPRender();

render.ShowInVisableChar = true; //default: false

render.InVisableCharColor = Color.Red;

STTextBox tbx = new STTextBox();

tbx.SetTextBoxRender(render);

tbx.Dock = DockStyle.Fill;

tbx.Font = new System.Drawing.Font(""Consolas"", 10);

tbx.SetTextStyleMonitors( // use the monitor

new CSharpStyleMonitor(),

new SelectionStyleMonitor()

);

this.Controls.Add(tbx);

// ====

// STTextBoxGDIPRender is build-in class use gdip render the textbox

// There are some method:

// protected virtual void OnDrawNewLineChar(Rectangle rect);

// protected virtual void OnDrawSpaceChar(Rectangle rect);

// protected virtual void OnDrawTabChar(Rectangle rect);";

tbx.SetText(strCode.Trim());

}

}

}